Fan Piping Design Considerations
1.
Fans for SSD systems may be located in which of the following areas?
Outside, in attics, in crawl spaces.
In garage attics and outside only.
In attics, outside, or garages not below livable areas.
New sealed fans can be located anywhere near electrical.
2.
Discharge points must never be?
Located a minimum of 10 feet above ground level.
Located within 10 feet horizontally of windows.
Above the highest eave of the roof.
Covered with a screen.
3.
Insulating pipe in cold spaces can?
Reduce noise and condensation.
Create additional condensation inside the pipe.
Cause the fan to overheat.
Make funny noises in the winter.
4.
Routing pipe through fire rated walls always requires which of the following?
Building permit.
Iron pipe.
You are not allowed to penetrate fire walls with PVC pipe.
Fire barriers.
5.
Fans can be attached to PVC pipe in which of the following methods?
Glue pipe directly to PVC.
Attach fan to pipe with flexible couplings.
Attach fan with PVC couplings.
All the above will work.
6.
Which of the following is optional when gluing pipe?
Glue.
Primer.
Safety Glasses.
None of the above.
7.
Determine the equivalent length of pipe for the following 3" pipe. 75 feet of pipe. 4-90 deg and 2-45 deg bends.
32 feet.
75 feet.
114 feet.
227 feet.
8.
You are using a 120v fan that is drawing 0.4 amps. What is the cost to operate this fan for 1 year at 0.08 kilowatt hour cost?
Zero, the home is covered with electric producing photo cells.
$48.75 per year.
$24.00 per year.
$33.64 per year.
9.
Doing mathematical equations can cause which of the following?
Nausea.
Headaches.
Writers block.
All the above.
10.
Which of the following must you perform after installation of the suction system and before you leave the home?
Check for condensation inside the pipe.
Test for backdrafting condition on combustion appliances.
Recommend biennial retesting.
Both B and C.